Symptomatic ureteric triplex in a child.

We describe a case of a triplex system in a 4-year-old girl that was associated with a ureterocele and vesicoureteric reflux and causing symptomatic culture-proven urinary tract infections. Undetected on preoperative ultrasound imaging and micturating cystourethrogram, this was discovered at the time of a planned left heminephrectomy. The redundant system having been removed the patient is now asymptomatic.